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825065 = 5315323
BaseRepresentation
bin11001001011011101001
31112220202222
43021123221
5202400230
625403425
710004303
oct3113351
91486688
10825065
1151397a
12339575
1322b707
14176973
151146e5
hexc96e9

825065 has 8 divisors (see below), whose sum is σ = 1022208. Its totient is φ = 638640.

The previous prime is 825059. The next prime is 825067. The reversal of 825065 is 560528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 825065 - 24 = 825049 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 825065.

It is not an unprimeable number, because it can be changed into a prime (825067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2507 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (127776).

2825065 is an apocalyptic number.

It is an amenable number.

825065 is a deficient number, since it is larger than the sum of its proper divisors (197143).

825065 is a wasteful number, since it uses less digits than its factorization.

825065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 825065 is about 908.3308868469. The cubic root of 825065 is about 93.7913358458.

The spelling of 825065 in words is "eight hundred twenty-five thousand, sixty-five".

Divisors: 1 5 31 155 5323 26615 165013 825065